apr11 1981
-0.024 -0.107 -0.291 -0.059 -0.185 -0.250 -0.024 -0.172 -0.358
apr16 1981
-0.034 -0.112 -0.238 -0.251 -0.090 -0.183 -0.147 -0.090 -0.275
apr21 1981
-0.146 -0.152 -0.151 -0.353 -0.196 -0.177 -0.146 -0.021 -0.042
apr26 1981
-0.123 -0.096 -0.263 -0.018 0.066 0.005 0.050 -0.101 -0.125